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Active damping based on the capacitor voltage positive-feedback for grid-connected power converters with LCL filter
(IEEE, 2019)
info:eu-repo/semantics/conferenceObject,
The capacitor voltage positive-feedback is a widely extended active damping strategy. It can effectively damp the LCL output filter resonant poles for low ratios of resonance to sampling frequencies. However, the existing ...
Addressing the issue of trust in elementary teachers' Maths-specific education: ANFoMAM project
(Charles University (Chequia), 2019)
info:eu-repo/semantics/conferenceObject,
To improve primary school teachers' maths-specific education at university, our project will develop a series of workshops, as ready-to-use instruments, which closely consider children's way of learning and their relationship ...
The generalized bode criterion: application to the dc voltage control of a three-phase photovoltaic grid-tied inverter
(IEEE, 2019)
info:eu-repo/semantics/conferenceObject,
As renewable energies are becoming more important in the electrical generation system, power electronic converters are facing new design issues related not only to their components but also to their control loops. In this ...
OWA operators based on admissible permutations
(IEEE, 2019)
info:eu-repo/semantics/conferenceObject,
In this work we propose a new OWA operator defined on bounded convex posets of a vector-lattice. In order to overcome the non-existence of a total order, which is necessary to obtain a non-decreasing arrangement of the ...
An efficient algorithm for the evaluation of tonality and the determination of the tonal frequency according to IEC 61400-11
(Institute of Noise Control Engineering, 2019)
info:eu-repo/semantics/conferenceObject,
The terms of tonality and tonal audibility of the noise emitted by wind turbines are defined and described in the standard IEC 61400-11. The procedure for tonality assessment at different wind speeds based on the narrowband ...
Comparison of fourth-harmonic and combined doubler/subharmonic mixer with integrated MMIC based local oscillator
(IEEE, 2019)
info:eu-repo/semantics/conferenceObject,
In this paper a comparison between a fourth harmonic mixer and a combined doubler/subharmonic mixer based on Schottky diodes working at 300 GHz with MMIC Local Oscillator (LO) integrated in a single enclosing is presented. ...
High-performance 50μm silicon-based on-chip antenna with high port-to-port isolation implemented by metamaterial and SIW concepts for THz integrated systems
(IEEE, 2019)
info:eu-repo/semantics/article,
A novel 50μm Silicon-based on-chip antenna is presented that combines metamaterial (MTM) and substrate integrated waveguide (SIW) technologies for integration in THz circuits operating from 0.28 to 0.30 THz. The antenna ...
Agua dulce para refrigeración: una visión a largo plazo de la huella hídrica de las centrales nucleares en España
(2016)
info:eu-repo/semantics/conferenceObject,
Objectives: our research pioneers a first approximation to the water footprint of the Spanish nuclear power plants operating with freshwater from 1969 to the present. Our aim is to calculate the consumptive use of water ...
Water as an economic asset: the history of water management and conflict in Spain
(2018)
info:eu-repo/semantics/conferenceObject,
Objectives: this ongoing work is part of a more extensive doctoral thesis which aims to provide an estimate of water needs for thermoelectric production in Spain covering the entire electrical history from 1900 to the ...
Study of the degradation of heat exchanger materials in the acidic environment of Teide National Park
(2019)
info:eu-repo/semantics/conferenceObject,
Supplying power to volcanic monitoring stations constitutes a challenge due to both the access difficulties and the acidic environment associated with volcanoes. ELECTROVOLCAN project is developing thermoelectric generators ...